Izixhobo zeCable eziSebenza ngokuPhezulu ezihambelana nokuThotyelwa kweMithetho yeHlabathi

Kwiminyaka yakutshanje, imfuno yeentambo zentsimbi engagqwaliyo enganyangekiyo, enamandla aphezulu ikhule ngokukhawuleza kubunjineli baselwandle, ekucutshungulweni kweekhemikhali, kwizakhiwo zeenqwelo moya, nakwiinkqubo zoshishino ezicocekileyo kakhulu. Phakathi kwezi zinto, intambo yentsimbi engagqwaliyo ye-904L ibe lukhetho olukhethwayo ngenxa yokuchasana kwayo okugqwesileyo kwi-acetic acid, i-phosphoric acid, amanzi olwandle, iindawo ezityebileyo kwi-chloride, kunye neendaba zoshishino ezinamandla. Njengoko amashishini eqhubeka nokwandisa imisebenzi yawo yehlabathi, ukuthobela imigangatho yamazwe ngamazwe kube ngumxholo obalulekileyo. Namhlanje, zombini imigangatho ye-ASTM kunye ne-ISO idlala indima ebalulekileyo ekuqinisekiseni ukuba intambo yentsimbi engagqwaliyo ye-904L igcina umgangatho ohambelanayo, ukusebenza koomatshini, kunye nokuthembeka kwexesha elide. Iinkampani ezifana ne-sakysteel ziyaqhubeka nokunamathela ngokungqongqo kule migangatho ukuze zibonelele ngezisombululo ezisebenza kakuhle kwihlabathi liphela.

Isishwankathelo sokuSebenza kweCable yeNtsimbi engaGciniyo eyi-904L

I-904L yi-alloy yentsimbi engagqwaliyo e-super austenitic enomxholo ophantsi kakhulu wekhabhoni kunye nokongezwa kwe-alloy ephezulu ye-chromium, nickel, molybdenum, kunye ne-copper. Ezi zinto zinegalelo ekuchaseni kwayo okuphezulu kwi-pitting, cravice corrosion, kunye ne-stress corrosion cracking, ingakumbi kwiindawo ezinobungozi ze-chloride kunye ne-asidi. Xa yenziwe kwizakhiwo zekhebula ezifana nentambo yentambo, i-strand, okanye ikhebula eline-multi-core, i-904L ibonisa iingenelo ezahlukeneyo:

• Amandla aphezulu okuxinana kunye nokuqina phantsi komthwalo oguqukayo

• Ukumelana kakuhle nokugqwala kwamanzi olwandle

• Ukuhambelana neenkqubo zokudlulisa ulwelo ezicocekileyo nezicocekileyo kakhulu

• Ukusebenza okuqinileyo kumaqondo obushushu aphezulu

• Ubomi benkonzo ende nokuba ujongene neekhemikhali rhoqo

Ngenxa yokuba intambo yentsimbi engagqwaliyo idla ngokusetyenziswa kwiindawo ezibalulekileyo kukhuseleko ezifana namaqonga aselunxwemeni, iinkqubo zokumiswa, izixhobo zokuphakamisa, izityalo zokukhupha ityuwa, kunye nokugcinwa kweekhemikhali, ukuthobela imigangatho yehlabathi kubalulekile ukuqinisekisa ukhuseleko kunye nokuhambelana kobunjineli.

Imigangatho ye-ASTM elawula intambo yentsimbi engagqwaliyo ye-904L

I-ASTM International imisela imigangatho eyaziwayo ngokubanzi yezinto zesinyithi, iindlela zokuvavanya, kunye neenkcukacha zemveliso. Nangona imveliso yentambo yocingo kunye nentambo yocingo ye-904L isenokuwela phantsi kweendidi ezahlukeneyo ze-ASTM, le migangatho ilandelayo yeyona ifanelekileyo.

1. I-ASTM A276 kunye ne-ASTM A479

Le migangatho igubungela iintonga zentsimbi engagqwaliyo, iibhari, kunye nocingo olusetyenziselwa ukwenza imicu yekhebula kunye nezinto eziphambili. Kwi-904L, bachaza oku kulandelayo:

• Imida yokwakheka kweekhemikhali ye-Ni, Cr, Mo, Cu, C, Mn, Si

• Iimeko zonyango lobushushu ezifunekayo

• Iimfuno zepropathi yoomatshini kuquka amandla okuvelisa, amandla okutsalwa, kunye nokwandiswa

• Ukumelana okulinganayo kwentambo etsaliweyo

Ukuthobela imithetho kuqinisekisa ukuba intambo nganye ye-904L iqala ngentambo eluhlaza engaguqukiyo nesemgangathweni ophezulu.

2. I-ASTM A484

Lo mgangatho uchaza iimfuno ngokubanzi zeemveliso ezenziwe ngentsimbi engagqwaliyo, kuquka:

• Iimfuno zokugqiba umphezulu

• Ukuthe tye kunye nokuchaneka kobukhulu

• Iinkqubo zokuhlola

• Imida egqibeleleyo yeziphene

Kwabavelisi beentambo, i-ASTM A484 inceda ukugcina ukufana kwiibhetshi ezinkulu zemveliso.

3. I-ASTM A1023/A1023M – Inkcazelo Esemgangathweni Yeentambo Ze-Carbon Ene-Stranded kunye Neentambo Zentsimbi Engenasici

Lo ngumgangatho ophambili olawula iintambo zentsimbi engagqwaliyo. Kwintambo yentsimbi engagqwaliyo ye-904L, umgangatho ulawula oku kulandelayo:

• Iindidi zokwakha ezifana ne-1×7, 1×19, 7×7, kunye ne-7×19

• Ulwahlulo lwamanqanaba okutsalwa

• Iimfuno zamandla okuqhekeza ezincinci

• Isikhokelo sokubeka kunye nokugqitywa kwentambo

• Ukuthambisa kunye nemeko yomphezulu

• Ukunyamezelana kwemveliso kunye neendlela zokuhlola

I-ASTM A1023 iqinisekisa ukuba iintambo zigcina ukusebenza okulinganayo kwizicelo zokuthwala imithwalo.

4. I-ASTM A580 - Ucingo lweNtsimbi Engagqwaliyo

Lo mgangatho usebenza ngokukodwa kwiingcingo zentsimbi engatyiwayo ezitsaliweyo ezisetyenziswa ekwenzeni iintambo. Uchaza oku kulandelayo:

• Ukumelana kobukhulu bentambo

• Uluhlu lwamandla okuxinana

• Iindidi zokugqiba ezifana nokukhanya, ukungafihli, ukutsalwa okubandayo

• Ukuhlolwa komgangatho womphezulu

Ukusebenzisa ucingo oluhambelana ne-ASTM A580 kuqinisekisa ukuba intambo egqityiweyo iyahlangabezana neemfuno ezingqongqo zokuqina kunye nokuqina.

Imigangatho ye-ISO yeCable yeNtsimbi engagqwaliyo ye-904L

Njengoko imisebenzi yobunjineli behlabathi iqhubeka nokukhula kwiindawo ezahlukeneyo, imigangatho ye-ISO iye yaba yinto ebalulekileyo ekuvumelaniseni umgangatho wemveliso kumazwe nakwimizi-mveliso. Kwintambo yentsimbi engagqwaliyo ye-904L, le migangatho ye-ISO ibonelela ngezikhokelo eziphambili.

1. I-ISO 6931 – Ucingo lweNtsimbi Engagqwaliyo

Uthotho lwe-ISO 6931 luchaza oku:

• Ukwakheka kweekhemikhali kwiiklasi zentsimbi engenasici kuquka iintlobo ze-alloy ephezulu

• Iimpawu zoomatshini ezisekelwe kwiimeko zokusebenza ezibandayo

• Ukunyamezelana kobubanzi bentambo

• Iimfuno zokugqiba umphezulu

Lo mgangatho uqinisekisa ukuba ucingo lwe-904L lugcina isinyithi kunye neempawu zoomatshini ezihambelanayo kwiimarike zamazwe ngamazwe.

2. I-ISO 10425 – Iintambo zocingo zentsimbi zemizi-mveliso yepetroliyam negesi yendalo

Nangona isetyenziswa kakhulu kwiintambo zentsimbi yekhabhoni, i-ISO 10425 ikwasebenza nakwiintambo zentsimbi ezingenasici ezikhethekileyo ezisetyenziswa kwiindawo ezikude nolwandle nakwiindawo ezingaphantsi kolwandle.

Izinto eziphambili ziquka:

• Imithwalo emincinci yokuqhekeka

• Uvavanyo lokudinwa

• Ukuxhathisa ukugqwala kwiimeko zaselwandle

• Iiprotokholi zokuhlola nokuvavanya

• Iimfuneko zokumakisha kunye nokulandelelwa

Kwiindawo zokufakela ezikude nolwandle kusetyenziswa intambo ye-904L, ukuthotyelwa kwe-ISO 10425 yimfuneko ebalulekileyo yokhuseleko.

3. I-ISO 2408 – Iintambo zocingo zentsimbi: Iimfuno

Lo mgangatho ubonelela ngesakhelo esiqhelekileyo kuzo zonke iintambo zentsimbi zesinyithi, kuquka neendidi zentsimbi engagqwaliyo ene-alloy ephezulu. Iquka:

• Ukuchongwa kokwakhiwa kwentambo

• Iimfuno zokusebenza koomatshini

• Indlela yokuvavanya

• Ukunyamezelana okulinganayo

• Izikhokelo zokuthambisa kunye nokuphatha

I-ISO 2408 inceda ekuqinisekiseni ukuba intambo isebenza ngokukhuselekileyo ekuphakamiseni, ekuphakamiseni, elwandle, nakwiindlela zokwakha kwihlabathi liphela.

Ukubaluleka kokuthobela i-ASTM kunye ne-ISO kwizicelo zemizi-mveliso

Ukusebenzisa intambo yentsimbi engagqwaliyo ye-904L ehambelana nemigangatho ye-ASTM kunye ne-ISO kunika iingenelo ezininzi kubasebenzisi bemizi-mveliso behlabathi:

1. Umgangatho wezinto eziQinisekisiweyo

Ukwakheka kweekhemikhali okungqongqo kunye nemida yeempawu zoomatshini kuthintela ukungangqinelani okunokubangela ukungasebenzi kakuhle kwangethuba.

2. Ukhuseleko oluphuculweyo kunye nokuthembeka

Imigangatho yamazwe ngamazwe ichaza uxinzelelo, ukudinwa, umthwalo ophukileyo, kunye nokunyamezelana okulinganayo, okuqinisekisa ukusebenza okuzinzileyo nokuqikelelwayo kwiimeko ezibalulekileyo.

3. Ukuhambelana kweCandelo loNikezelo lweHlabathi

Isatifikethi se-ASTM kunye ne-ISO senza ukuba iiprojekthi zobunjineli eziwela imida zikwazi ukufumana izixhobo ngaphandle kweengxaki zokuhambelana.

4. Ukulandelelana Okuphuculweyo

Amaxwebhu asemgangathweni aqinisekisa ukulandeleka ngokupheleleyo ukusuka kwizinto eziluhlaza ukuya kwintambo egqityiweyo.

5. Ubomi beNkonzo ende

Intambo ye-904L ehambelana nomgangatho iyamelana nokugqwala, ukudinwa kokugqwala, kunye nokuguguleka, nto leyo enciphisa iindleko zokugcinwa kwexesha elide.

Amacandelo emizi-mveliso axhamla kakhulu aquka:

• Amaqonga eoyile negesi angaphandle kolwandle

• Izityalo zokucubungula iikhemikhali kunye ne-petrochemical

• Ubunjineli bolwandle kunye nokwakha iinqanawa

• Ukuveliswa kwamandla enyukliya

• Iindibano zekhebula zeenqwelo-moya

• Imveliso yezonyango kunye namayeza acocekileyo kakhulu

Indlela i-sakysteel eqinisekisa ngayo ukuthobela imigangatho ye-ASTM kunye ne-ISO

Njengenye yeenkampani ezigxile kwi-high-alloy stainless steel kunye ne-nickel alloys, i-sakysteel igcina ukuthobela ngokungqongqo iimfuno ze-ASTM kunye ne-ISO kwiimveliso zayo zekhebula ze-904L stainless steel. Le nkampani isebenzisa la manyathelo alandelayo:

• Ukuhlolwa kwe-100% kwezinto eziluhlaza ezidityanisiweyo neekhemikhali

• Umzobo wentambo ngokuchanekileyo usebenzisa oomatshini abaphambili

• Uvavanyo oluqinileyo loomatshini oluquka amandla okuxinana, ukwandiswa, kunye novavanyo lokudinwa

• Ukuhlolwa kokugqitywa komphezulu kusetyenziswa izixhobo zokulinganisa ezibonakalayo neze-elektroniki

• Iirekhodi zemveliso ezilandelekayo zebhetshi nganye

• Isatifikethi somntu wesithathu ngokweemfuno zabathengi

Ngokudibanisa imigangatho yamazwe ngamazwe kuzo zonke izigaba zemveliso, i-sakysteel iqinisekisa ukuba iintambo zayo zentsimbi engagqwali ezingama-904L ziyahlangabezana neemfuno zeeprojekthi zobunjineli behlabathi.

Isiphelo

Njengoko amashishini ejongene neemeko ezifuna kakhulu, ukusebenza kwezinto kunye nokuthobela imigangatho yehlabathi kuye kwaba yinto ebalulekileyo. Imigangatho ye-ASTM kunye ne-ISO yentambo yentsimbi engagqwali ye-904L iqinisekisa umgangatho ohambelanayo, ukusebenza koomatshini okuqikelelweyo, kunye nokumelana nokugqwala kwexesha elide. Nokuba isetyenziswa kubunjineli baphesheya kolwandle, ekucutshungulweni kweekhemikhali, kwiinkqubo zokuphakamisa, okanye kwizicelo zoshishino ezicocekileyo kakhulu, intambo ye-904L ehambelana nomgangatho ibonelela ngokuthembeka kunye nokhuseleko olufunekayo kubunjineli banamhlanje. Iinkampani ezifana ne-sakysteel ziyaqhubeka nokubonelela ngezisombululo zentambo ezikumgangatho ophezulu ngokunamathela kwimigangatho yamazwe ngamazwe, zixhasa imakethi yehlabathi ngezinto zentsimbi engagqwali ezihlala ixesha elide nezithembekileyo.